Staff Developer Infrastructure Engineer Mozilla

Mozilla is hiring a Staff Developer Infrastructure Engineer for Remote Canada, focused on developer tooling, CI/CD, automation, and Firefox systems. Open-source work is fundamental.You will contribute directly to the tools and systems supporting Firefox engineering while moving across projects and technical domains. The role combines hands-on software development, production operations, systems thinking, and longer-term technical judgment. You will help teams succeed through standards, patterns, and focused ownership.Key Responsibilities:
Contribute to developer tooling for Firefox engineeringDevelop CI/CD and workflow automation systemsSupport AI-assisted development tool initiativesDeploy and operate software across production environmentsWork across teams to solve difficult operational problemsRequirements:
Strong programming ability with Python or JavaScript/TypeScriptExperience deploying and operating cloud production systemsTerraform or comparable infrastructure as code experienceData-driven troubleshooting using telemetry and metricsUnderstanding of AI-assisted development tools and limitationsApply software development, developer tooling, and production operations expertise to Mozilla’s open-source Firefox engineering ecosystem.
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